see your doctor, and for a 30-day free trial, go to axiron.com. >>> ever since barack obama called them fat cat bankers, the president's relationship with wall street has been less than cozy. but today saw a strange twist. the president's choice for treasury secretary had to defend his time as a wall street insider. while republicans railed against bailout bonuses within banks once considered too big to fail. the same banks whose investors lost millions in the financial meltdown. my co-anchor bill weir has the story. >> reporter: a ghost of the financial crisis came to haunt congress today in a most unlikely form. >> there are risks that we need to be very much on guard against. >> reporter: his name is jack lew, a guy with one of the most sterling reputations in washington. >> mr. president, it's an honor to be here. >> reporter: as a loyal and low-key numbers crunching wonk, he has worked his way up to president chief of staff. >> wall street dives more than 360 points. >> reporter: but a few years ago, as the american economy was melting down, jack lew was an executive at citigroup,